KNEE ANATOMY AND KINESIOLOGY Flashcards
KNEE JOINT
A. ______(mod. hinge)
B. ______( mod.
plane)
- Superior tibiofibular joint
A. TIBIOFEMORAL (mod. hinge)
- largest jt in body
B. PATELLOFEMORAL ( mod.
plane)
RP of knee
25° flexion
Close pack position
Full extension
ER of tibia
Capsular pattern
Flexion > extension
ROM
Flexion
Extension
External rotation of
tibia on femur
Internal rotation of
tibia on femur
Flexion - 0-140°
Extension - 0-15°
External rotation of
tibia on femur - 30°-40°
Internal rotation of
tibia on femur - 20°-30°
Distal femur:
- Ant projection at lat condyle
- Intercondylar groove
Pain at med tibia - ______
Pain at patellofem jt: ______
Med fem condyle ; extends more distally
because ______ : ______
Pain at med tibia - OA
Pain at patellofem jt: chondromalacia patella
Med fem condyle ; extends more distally
because it bears weight : OA
Prox Tibia:
- Condyles/plateaus: slightly ______
- Tibial Tub: attach ______
Prox Tibia:
- Condyles/plateaus: slightly concave
- Tibial Tub: attach patellar ligament
Proximomed surface of tibia :
Pes anserine mm: ______
______
______
______
Proximomed surface of tibia :
Pes anserine mm: SGT
Sartorius
Gracilis
SemiTendinosus
Screwhome mech:
- dec work of quads
- Efficient of way of locking
- pure mechanic , not voluntary
- mechanism?
Lock : ______
Unlock: ______via ______mm
FIR TER LOCK : Extension
Femur IR - CKC
Tibia ER- OKC
ex:
- Kicking the ball : OKC , Knee extension : Tibia ER
- Sit from standing: CKC, flexion ; femur ER
Screwhome mech:
- dec work of quads
- Efficient of way of locking
- pure mechanic , not voluntary
- 20 deg ER - during last 20 deg of knee extension
Lock : Extend
Unlock: flexion via popliteus mm
FIR TER LOCK : Extension
Femur IR - CKC
Tibia ER- OKC
ex:
- Kicking the ball : OKC , Knee extension : Tibia ER
- Sit from standing: CKC, flexion ; femur ER
18.47
Mobilization:
inc knee flex - ______
inc knee ext - ______
Mobilization:
Post glide- inc knee flex
Ant glide- inc knee ext
MENISCUS
1.
2.
3.
4.
5.
Lateral
➢______-shaped
➢More ______
Medial
➢______-shaped
➢MC ______
- Stability
- Absorbs and
distributes forces - Promotes joint
lubrication - Protects the joint
capsule - Dec. friction of Jt.
Lateral
➢O-shaped
➢More mobile
Medial
➢C -shaped
➢MC injured
What happens to meniscus during:
Flex: ______
Ext: ______
IR: Lat men- ______; Med ______
ER: Lat - ______; Med- ______
Flex: post both meniscus
Ext: Ant both meniscus
IR: Lat men- post; Med ant
ER: Lat - ant ; Med- post
MENISCUS attachments:
Lateral meniscus
* ______
* ______
Medial meniscus
* ______
* ______
* ______
Lateral meniscus
* PCL
* Popliteus
Medial meniscus
* MCL
* ACL
* Semimembranosus
Signs and Symptoms of a Meniscus injury:
- J ______
- L ______
- L
- ______
- ______, Springy block
- Positive special test
- “______, ______, ______”
MOI: ______and ______
- Joint line pain
- Loss of flexion (more than 10°)
- Loss of extension (more than 5°)
- Swelling
- Crepitus, Springy block
- Positive special test
- “Locking, catching, buckling”
MOI: Compression and Excessive Rotation
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